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Research Article Open access CC BY 4.0

Drainage Investigations for the Design of Water Table Management Systems in AEC&RI, Kumulur, Trichy District, Tamil Nadu

A. Selvaperumal, I. Muthuchamy, S. Vallalkannan, H. V. Hemakumar

Current Journal of Applied Science and Technology · pp. 1–9 · Published 16 Oct 2017

10.9734/CJAST/2017/36888

Abstract

A water table management system synonymously referred as Controlled Drainage and Subirrigation system or controlled and Reversible Drainage System was designed and executed in Eastern Farm A Block, Agricultural Engineering College and Research Institute Kumulur. This research article reports the pre-drainage investigations carried out in the study area for arriving at certain important design parameters for the design of water table management system for both drainage and subirrigation modes separately. Steady state hooghoudt equation was used for the design of drainage spacing and similarly the procedure followed by Doty at North Carolina University using Moody Equation and convergence analysis was used for subirrigation mode spacing. The spacing arrived for drainage mode was 15 m to that of subirrigation was 10 m respectively. Considering the feasibility of operation of both subsurface drainage and subirrigation, the spacing of 15 m could be recommended for water table management system of Eastern Farm A Block in AEC &RI kumulur, Tamil Nadu.

Controlled drainage drainage coefficient hydraulic conductivity subirrigation

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